The Cambro CBA185472S4580 4-Tier Polymer Shelf Kit is a game-changer for commercial kitchens and restaurants seeking durable, efficient storage solutions. Part of the Basics Plus series, this kit extends the capacity of existing Camshelving® units, adding a robust 4-tier structure that supports up to 600 lbs. per shelf (1,800 lbs. total). Designed with solid polypropylene shelf plates, this kit resists spills, prevents contamination, and withstands extreme temperatures (-36°F to 190°F), making it ideal for busy foodservice environments. Its brushed graphite gray finish matches other Camshelving units, ensuring a sleek, professional look while simplifying cleaning and maintenance. Whether you're outfitting a new kitchen or upgrading an existing one, this NSF-approved kit offers unmatched durability, functionality, and space optimization—ideal for restaurants, catering operations, and commercial kitchens prioritizing efficiency and hygiene.